先进镍基粉末高温合金FGH4108在不同应力条件下的蠕变行为

李新宇, 白佳铭, 张浩鹏, 李晓鲲, 贾建, 刘常升, 刘建涛, 张义文

Creep Behavior of Advanced Powder Metallurgy Nickel-Based Superalloys FGH4108 Under Different Stress Conditions

LI Xinyu, BAI Jiaming, ZHANG Haopeng, LI Xiaokun, JIA Jian, LIU Changsheng, LIU Jiantao, ZHANG Yiwen

图6 在700 ℃不同蠕变应力下粗晶试样中层错的TEM明场像

Fig.6 Bright field TEM images of stacking faults in the coarse grain sample under different creep stresses at 700 oC (a) 780 MPa (b) 810 MPa (c) 900 MPa